import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/Report/Report.vue'


Vue.use(VueRouter)

  const routes = [
  {path:'/login',component:Login},
  {
    path:'/home',
    component:Home,
    redirect:'/welcome',
    children:[
      {path:'/welcome',component:Welcome},
      {path:'/users',component:Users},
      {path:'/rights',component:Rights},
      {path:'/roles',component:Roles},
      {path:'/categories',component:Cate},
      {path:'/params',component:Params},
      {path:'/goods',component:GoodsList},
      {path:'/goods/add',component:Add},
      {path:'/orders',component:Order},
      {path:'/reports',component:Report},
    ]},
  {path:'/',redirect:'/login'},
  {
    path: '/about',
    name: 'About',
    // route level code-splitting
    // this generates a separate chunk (about.[hash].js) for this route
    // which is lazy-loaded when the route is visited.
    component: () => import(/* webpackChunkName: "about" */ '../views/About.vue')
  }
]

const router = new VueRouter({
  routes
})
//挂载路由导航守卫
router.beforeEach((to,from,next)=>{
  //to 将要访问的路径
  //from 代表从哪个路径跳转而来
  //next 是一个函数 表示放行
  //next() 放行 next('/login') 强制跳转
  if(to.path==='/login') return next();
  //获取token
  const tokenStr=window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})
export default router
